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MQSeries.net Forum Index » Workflow Engines - IBM MQ Workflow & Business Process Choreographer » Triggering a java program as activity implementation.

Triggering a java program as activity implementation.

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anuppc

Posted: Tue Mar 08, 2005 8:37 pm Post subject: Triggering a java program as activity implementation.

Voyager

Joined: 22 Oct 2002
Posts: 93
Location: Montreal

Can we invoke a java class as an activity implementation. The activity i want to model is an automatic activity. The activity implementation class queries some other external application and updates the container.

Can this be done without a UPES (queues)? What do i have to do in Buildtime (Program properties sheet) to invoke a java class.

I guess i would have to choose PEA in the Execution tab and automatic option under start tab in the activity properties sheet in buildtime to trigger the java class?

Anup
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vennela

Posted: Tue Mar 08, 2005 11:17 pm Post subject:

Jedi Knight

Joined: 11 Aug 2002
Posts: 4055
Location: Hyderabad, India

Anuup:

I think you are on the right track:

Look at the samples canned with the product. There is a java activity implementation along with the fdl and readme. Try running it first and you will have a very good idea of how it can be done.

The directory on windows is
<WMQ Workflow install root>\SMP\java\actimpl

For me it is
C:\Program Files\IBM WebSphere MQ Workflow\SMP\java\actimpl

hos

Posted: Wed Mar 09, 2005 12:18 am Post subject:

Chevalier

Joined: 03 Feb 2002
Posts: 470

Anup,

I discourage you to use a PEA to start a Java activity implementation in a production environment. The next logical step will be that you ask for the Java High Performance Bridge because of the overhead of starting a JVM. PEA and JHPB are not recommended and not strategic. I strongly recommend to use an UPES instead.

anuppc

Posted: Wed Mar 09, 2005 5:32 am Post subject:

Voyager

Joined: 22 Oct 2002
Posts: 93
Location: Montreal

Thanks Vennela and Hos.
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